About
Liner
Search with confidence.
Reliable sources, precise answers, and research agents built for academic work.
Liner is an AI search engine built for students, researchers, and anyone who needs trustworthy information. It delivers fast, verifiable answers backed by credible sources: academic papers, authoritative publications, and high-quality references.
Over 10 million users rely on Liner worldwide, and a16z ranked it as the 4th most-used generative AI product on the web. We are committed to making high-quality information accessible so users can push human knowledge forward.
Private company
HQSan Francisco, United States IndustrySoftware Development